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"I hate what they've done to my child...I would never let my own children watch it. "
Vladimir Zworykin, television pioneer ; Talking about an invention in which he played a critical role.
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| Number | Title | Issue Date |
| 8142335 | Spring collars having permanent magnets for non-use storage To satisfy one or more of the foregoing objectives, embodiments of a spring collar are provided for removably securing a disc weight to the sleeve of a barbell. In one embodiment, the spring collar includes a resilient wire form having a permanent magnet mounted the... | 03/27/2012 |
| 8123662 | Method and apparatus for magnetically coupling incremental weights to exercise apparatus A dumbbell and incremental weight plate for same comprise a bar that extends generally axially between opposing end regions, a weight plate mass mounted about the bar at each end region, and at least one incremental weight plate mountable on the dumbbell. The weight... | 02/28/2012 |
| 8096927 | Shaft-mounted clamp A shaft-mounted clamp includes a pair of clamp members that are pivotably coupled to one another at one end, each clamp member including a through-hole for receiving the shaft to which the clamp is to be mounted. At least one of the clamp members includes a push rod... | 01/17/2012 |
| 8025613 | Adjustable dumbbell An adjustable dumbbell includes a handle, a shaft rotatably engaged through the handle, a carrier attached to each end portion of the shaft and having an inner housing and an outer housing and one or more middle housings spaced from each other for forming two or mor... | 09/27/2011 |
| 8007415 | Adjustable dumbbell and system An adjustable weightlifting device having selectable weights. The adjustable weightlifting device allows users to select a desired number of weight plates, and then couples the selected weight plates to retention members disposed in the handle of the device. ... | 08/30/2011 |
| 7981012 | Exercise weight selection methods and apparatus A weight lifting member is configured to accommodate a plurality of weights. A selector rod is movably mounted on the weight lifting member for rotation about an axis to selective engage and disengage a first subset of the weights, and for movement axially to select... | 07/19/2011 |
| 7918772 | Selectorized dumbbell having a selector comprising a pin having fork-shaped connecting prong(s) A selectorized dumbbell has a handle that can be inserted into a gap between stacks of nested left and right weight plates. A selector determines how many left weight plates are coupled to the left end of the handle and how many right weight plates are coupled to th... | 04/05/2011 |
| 7874967 | Adjustable-weight exercise apparatus and method A method of exercising includes steps of providing a rod and weights configured for self-attachment to the rod, assembling at least one weight onto each end of the rod, and securing the weights to the ends by rotating the weights on the rod from a first rotational o... | 01/25/2011 |
| 7857735 | Selectorized dumbbell having a selector comprising a pin with flexible connecting prong(s) A selectorized dumbbell has a handle that can be inserted into a gap between stacks of nested left and right weight plates. A selector determines how many left weight plates are coupled to the left end of the handle and how many right weight plates are coupled to th... | 12/28/2010 |
| 7811212 | Adjustable kettlebell An adjustable kettlebell includes a shaft having a narrowed neck segment formed on one end portion and having a base plate attached to the other end portion, two or more weight members each having a slot for receiving the narrowed neck segment of the shaft, and each... | 10/12/2010 |
| 7794373 | Adjustable dumbbell system A dumbbell is described including a handle having a grip and at least one end, an inner plate mounted on the handle adjacent the grip, in a fixed rotational orientation, a support plate rotationally mounted on the handle adjacent the inner plate, at least one collar... | 09/14/2010 |
| 7789813 | Dumbbell and adaptor with securable incremental weight plate feature A dumbbell having weight plates onto which magnetically coupled incremental weight plates can be securely mounted comprises a bar, weights at the end regions of the bar, means for retaining the weight plates at the respective ends to define a handle region therebetw... | 09/07/2010 |
| 7789814 | Device for hanging weights to an elongated bar member A compact device for attaching weights to an elongated rod. One embodiment of the device comprises a tubular member and two arms attached to the tubular member. The tubular member can be slid onto the end of the elongated rod. Each of the two arms has a plurality of... | 09/07/2010 |
| 7780582 | Method and apparatus for magnetically coupling incremental weights to exercise apparatus A dumbbell and incremental weight plate for same comprise a bar that extends generally axially between opposing end regions, a weight plate mass mounted about the bar at each end region, and at least one incremental weight plate mountable on the dumbbell. The weight... | 08/24/2010 |
| 7762933 | Weight-adjustable kettle-shaped dumbbell A weight-adjustable kettle-shaped dumbbell includes a body. The inner bottom of the body is hollow. With a selector unit, the body is able to hang a desired number of weight pieces for changing the weight of the dumbbell. The selector unit links a cable member to mo... | 07/27/2010 |
| 7740569 | Weight-lifting apparatus and method of assembling same A fixed weight/permanent weight-lifting apparatus including dumbbells and barbells is provided including an elongated shaft having threaded ends, a centrally located handle, collars distal the threaded ends and tapered splines between the threaded ends and the colla... | 06/22/2010 |
| 7678031 | Weight adjustable dumbbell for performing push up A dumbbell has a planar base allowing it to be supported in a stable manner upon the ground, for instance while the user holding a pair of dumbbells performs exercises such as push ups. A compliant sheet on the base provides a high friction slip-resistant face. A pa... | 03/16/2010 |
| 7625322 | Exercise weight adjustment methods and apparatus An exercise dumbbell includes a handle member and weight plates maintained in spaced relationship at opposite ends thereof. Weight selectors are rotatable into and out of engagement with different combinations of the weight plates to secure a desired amount of mass ... | 12/01/2009 |
| 7621855 | Exercise dumbbell methods and apparatus An exercise dumbbell includes a handle member and weight plates maintained in spaced relationship at opposite ends thereof. Weight selectors are movable into and out of engagement with different combinations of the weight plates to secure a desired amount of mass to... | 11/24/2009 |
| 7614983 | Apparatus for adjusting weight resistance to exercise An exercise dumbbell includes a handle member and weight plates maintained in spaced relationship at opposite ends thereof. Weight selectors are rotatable into and out of engagement with different combinations of the weight plates to secure a desired amount of mass ... | 11/10/2009 |
| 7614982 | Adjustable dumbbell system A dumbbell is described including a handle having a grip and at least one end, an inner plate mounted on the handle adjacent the grip, in a fixed rotational orientation, a support plate rotationally mounted on the handle adjacent the inner plate, at least one collar... | 11/10/2009 |
| 7611448 | Adjustable-weight exercise apparatus and method An adjustable-weight exercise apparatus include a rod with opposing end sections defining bearing surfaces, a first shallow channel without ribs, and a second shallow channel with ribs. The weights each include a hub shaped to telescopingly slide onto ends of the ro... | 11/03/2009 |
| 7591772 | Exercise device including collar coupling An exercise device comprises a bar, pairs of weights comprising weight collars which can be removably secured to either end of the bar, and a coupling for each weight collar. One of the bar or the weight collar has means for receiving a detent, e.g., a circular groo... | 09/22/2009 |
| 7588520 | Dumbbell weight training device having detachable weight plates Disclosed is a dumbbell of the type commonly found in a fitness center to be used as a weight training device during a weight training or exercise program. The dumbbell includes a gripping handle and a pair of collars fixedly connected to opposites ends of the handl... | 09/15/2009 |
| 7513856 | Weight plate retention collar A retention collar for securing weights to a barbell that includes two side plates with a pull bar and a cam lever. Two sets of pressure pins provide a frictional fit with the barbell when the collar is in its closed position, which is achieved by use of the am leve... | 04/07/2009 |
| 7497813 | Methods for adjusting weight resistance to exercise An exercise dumbbell includes a handle member and weight plates maintained in spaced relationship at opposite ends thereof. Weight selectors are movable into and out of engagement with different combinations of the weight plates to secure a desired amount of mass to... | 03/03/2009 |
| 7494451 | Barbell collar apparatus A barbell collar apparatus features an elastomeric, flexible cylinder with a magnetic inner and an outer layer. Magnets are disposed adjacent to the inner layer, in various arrangement embodiments, to selectively secure the apparatus to a bar, typically disposed imm... | 02/24/2009 |
| 7491155 | Balanced stackable dumbbell system A dumbbell system is provided including a base weight member and a handle rotatably attached to the base weight member. A plurality of added weights are adapted to be removably mounted to the base weight member in order to provide a compact dumbbell system which has... | 02/17/2009 |
| 7429235 | Dumbbell A dumbbell includes: a hollow grip bar having a connecting end; a weight adjusting mechanism including a screw rod extending into the grip bar and operable to rotate relative to the grip bar about a rotation axis, and a weight carrier extending into the grip bar and... | 09/30/2008 |
| 7413533 | Adjustable dumbbell An adjustable dumbbell includes a shaft provided with left- and right-handed threads, two tubes sleeved around and engaging threadedly and respectively the left- and right-handed threads, a hollow grip rod sleeved on the tubes, two support units each having upper an... | 08/19/2008 |
| 7387597 | Weight selection methods and apparatus An exercise dumbbell includes a handle member and weight plates maintained in spaced relationship at opposite ends thereof. Knobs on the handle member have contoured bearing surfaces that bear against respective selector members to alternatively hold the selector me... | 06/17/2008 |
| 7377885 | Dumbbell adjusting system method A dumbbell adjusting system method comprises an adjusting system, a stand, and a locking mechanism. The adjusting system includes two rods on the dumbbell's handle which move in and out of the handle to selectively engage the inner threaded through holes of the weig... | 05/27/2008 |
| 7367927 | Methods and apparatus for supporting selectorized dumbbells Various exercise systems include first and second selectorized dumbbell assemblies; and a frame having first and second weight supports to support respective dumbbell assemblies. Generally speaking, the systems assume multiple configurations to facilitate both use a... | 05/06/2008 |
| 7364536 | Weight bar with internally-threaded axial ends A weight bar for use with a dumbbell having an externally-threaded end is provided that includes a substantially cylindrical elongated bar having a longitudinal axis, first and second axial ends and an intermediate section extending between the axial ends. The first... | 04/29/2008 |
| 7335142 | Selectorized dumbbell weight with weight plates formed by a pair of welded weight subplates and method of manufacture thereof This invention relates to a selectorized dumbbell having a handle that can be dropped down between nested left and right stacks of weight plates. The weight plates can comprise individual weights or a pair of weight plates, one from each stack, can be connected toge... | 02/26/2008 |
| 7314438 | Hand-operable exercise bar An exercise apparatus includes first and second handles that fit within a user's hands and are formed from non-porous and water impermeable material. Each handle has a medially disposed end provided with a disc-shaped region and a central cylindrical region. The cen... | 01/01/2008 |
| 7311641 | Method and device for weightlifting and weight training An exercise device for weightlifting or weight training for use with resistance type weightlifting exercises. The device is a V-shaped, solid, weighted exercise bar with two wings and an apex. The wings contain handle grips and are capable of having weight plates, d... | 12/25/2007 |
| 7300390 | Weight selection methods and apparatus Weight selecting members are movably mounted on a handle assembly and selectively rotatable into engagement with respective weight plates to provide adjustable resistance to exercise movement. The weight selecting members rotate into and out of notches associated wi... | 11/27/2007 |
| 7300391 | Abdominal and torso strengthening apparatus The present invention is directed to an abdominal and torso strengthening apparatus comprising a frame, cross segments and supporting elements. The frame comprises an arc member and a linear member, wherein the linear member couples to the arc member. The cross segm... | 11/27/2007 |
| 7291098 | Exercise dumbbell methods and apparatus An exercise dumbbell includes a handle member and weight plates maintained in spaced relationship at opposite ends thereof. Weight selectors are rotatable into and out of engagement with different combinations of the weight plates to secure a desired amount of mass ... | 11/06/2007 |
